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nirvana33 [79]
3 years ago
15

I accidentally click an answer but what would the answer be? I’m on a time limit!! Need help ASAP thank u!

Mathematics
2 answers:
Arte-miy333 [17]3 years ago
5 0

Answer:

d) The sum of an Irrational number and a Rational Number is still an Irrational Number

Step-by-step explanation:

7\sqrt{3}+2\sqrt{3^2}=7\sqrt{3}+6

Rational Number = Any number that can be written as a quotient a/b form

Irrational Number =Any number that cannot be written as quotient a/b form

Since we have an Irrational number such as 7\sqrt{3}=7*1.73....it's another non-terminating and non-repeating number if I add 6 (rational number since 6=6/1) units to as addend to this sum is still an irrational number as the sum.

wariber [46]3 years ago
4 0

Hey!

-----------------------------------------------------------

Solution:

= 7√3 + 2√9

= 7√3 + 6

= 18.124... (Non-Terminating or Irrational)

When we add a rational number and a irrational number it's always irrational.

-----------------------------------------------------------

Answer:

The answer 7√3 + 6 is irrational because the sum of a rational number and irrational number is an irrational number.

-----------------------------------------------------------

Hope This Helped! Good Luck!

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PLEASE HELP ME AND SHOW YOUR WORK
Tcecarenko [31]

Answer:

B

Step-by-step explanation:

Hope the picture helps!

3 0
3 years ago
You borrow $500 to goon a trip. The bank charges 11% interest for 2 years. Find the interest
Illusion [34]
11% intrest of $500 is $55
7 0
4 years ago
Read 2 more answers
What is the answer to linear equation: 5 - 5w = 6
Bingel [31]

Answer: w=-\frac{1}{5}


Step-by-step explanation:

To solve this problem you must apply the proccedure shown below:

1. You have the following equation given in the problem above:

5 -5w= 6

2. Then, you need to solve for w, as you can see in the following steps:

5-5w=6\\-5w=6-5\\-5w=1\\w=-\frac{1}{5}

3. Therefore, as you can see, the value of w is:

w=-\frac{1}{5}


5 0
3 years ago
Simplify please<br><br> (x-3)(x+5)
Mademuasel [1]

Use the FOIL method.

(x-3)(x+5)

x^2 - 3x + 5x - 15

x^2 +2x -15

Please brainliest me if this helped; trying to level up!

6 0
3 years ago
A supervisor records the repair cost for 22 randomly selected VCRs. A sample mean of $75.50 and standard deviation of $18.07 are
Virty [35]

Answer:

<em>  The 99% confidence interval for the mean repair cost for the VCRs</em>

(65.801, 85.199)

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Mean of the sample(x⁻) = $75.50

Given the standard deviation of the sample (S) =  $18.07

Given the size of the sample 'n' = 22

Degrees of freedom = n-1 =22-1 =21

critical value t₍₀.₀₁, ₂₁₎ = 2.5176

<em> The 99% confidence interval for the mean repair cost for the VCRs</em>

(x^{-} - t_{0.01} \frac{S.D}{\sqrt{n} } , x^{-} +t_{0.01} \frac{S.D}{\sqrt{n} })

(75.50 - 2.5176 \frac{18.07}{\sqrt{22} } , 75.50 +2.5176 \frac{18.07}{\sqrt{22} })

( 75.50 - 9.699 , 75.50 + 9.699 )

(65.801, 85.199)

<u><em>Final answer:-</em></u>

<em> The 99% confidence interval for the mean repair cost for the VCRs</em>

(65.801, 85.199)

8 0
3 years ago
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